| Ostrow Mazowiecka to Chantilly (Virginia) | 4,486.65 mi (7,220.57 km) |
| Ostrow Mazowiecka to Chaparral (New Mexico) | 5,802.16 mi (9,337.67 km) |
| Ostrow Mazowiecka to Chapel Hill (North Carolina) | 4,698.96 mi (7,562.25 km) |
| Ostrow Mazowiecka to Charleston (Illinois) | 4,818.52 mi (7,754.66 km) |
| Ostrow Mazowiecka to Charleston (South Carolina) | 4,898.87 mi (7,883.97 km) |
| Ostrow Mazowiecka to Charleston (West Virginia) | 4,661.36 mi (7,501.74 km) |
| Ostrow Mazowiecka to Charlotte (North Carolina) | 4,801.25 mi (7,726.86 km) |
| Ostrow Mazowiecka to Charlottesville (Virginia) | 4,567.85 mi (7,351.24 km) |
| Ostrow Mazowiecka to Chaska (Minnesota) | 4,689.30 mi (7,546.70 km) |
| Ostrow Mazowiecka to Chatham (Illinois) | 4,856.60 mi (7,815.94 km) |
| Ostrow Mazowiecka to Chattanooga (Tennessee) | 4,963.48 mi (7,987.94 km) |
| Ostrow Mazowiecka to Cheat Lake (West Virginia) | 4,530.28 mi (7,290.79 km) |
| Ostrow Mazowiecka to Chelsea (Alabama) | 5,107.00 mi (8,218.92 km) |
| Ostrow Mazowiecka to Chelsea (Massachusetts) | 4,080.29 mi (6,566.60 km) |
| Ostrow Mazowiecka to Cheney (Washington) | 5,108.89 mi (8,221.96 km) |
